Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15d05683d08caa6a7040fc834daff55d31bea9a0d12684929ca744c3fe47fbe5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^